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Title: Quaternary M{sub 0.25}Cu{sub 0.25}Mg{sub 0.5}Fe{sub 2}O{sub 4} (M = Ni, Zn, Co, Mn) ferrite oxides: Synthesis, characterization and magnetic properties

Journal Article · · Materials Research Bulletin
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  1. Faculty of Chemistry, “Alexandru Ioan Cuza” University of Iasi, Carol I Bd., no. 11, 700506, Iasi (Romania)
  2. Faculty of Physics, “Alexandru Ioan Cuza” University of Iasi, Carol I Bd., no. 11, 700506, Iasi (Romania)
  3. Laboratory of Neutron Physics – JINR, Joliot Curie 6, 141980, Dubna, Moscow region, Russia, (Russian Federation)
  4. Faculty of Biology, “Alexandru Ioan Cuza” University of Iasi, Carol I Bd. nr. 20 A, 700505, Iasi (Romania)
  5. Saarland University, Physical Chemistry, 66123 Saarbrüken (Germany)
  6. Laboratory of Adsorption and Catalysis, Department of Chemistry, University of Antwerpen (CDE), Universiteitsplein 1, 2610, Wilrijk, Antwerpen (Belgium)

Highlights: • Superparamagnetic quaternary nanoferrite (M{sub 0.25}Cu{sub 0.25}Mg{sub 0.5}Fe{sub 2}O{sub 4,} where M = Mn, Zn, Co, Ni) were obtained. • C, O, H and metals were observed by XPS analysis. • Phases purity were confirmed by XRD diffraction and crystallite size (3–10 nm) were determind. - Abstract: We report the synthesis of M{sub 0.25}Cu{sub 0.25}Mg{sub 0.5}Fe{sub 2}O{sub 4} (where M = Mn, Zn, Co, Ni) nanoparticles using the coprecipitation method in the presence of carboxymethyl cellulose (CMC) as the in-situ surfactant. The crystalline structure and surface morphology were examined by means of X-ray diffraction (XRD) and scanning electron microscopy (SEM) and it was established that the average diameter of the magnetic nanoparticles (MNPs) is in the range of 3–10 nm. X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared spectroscopy (FTIR) show that the MNPs are activated by the hydrophilic groups of the surfactant, which coat them and enhance their stability. The vibrating sample magnetometry measurements show the superparamagnetic behavior of the nanoparticles. Due to their small crystallite size, which implies large surface area, and their functionalization with organic groups, the obtained nanoparticles could have medical and catalytic applications.

OSTI ID:
22581621
Journal Information:
Materials Research Bulletin, Vol. 81; Other Information: Copyright (c) 2016 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); ISSN 0025-5408
Country of Publication:
United States
Language:
English